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self-locking nut
In the most severe conditions
Mining Industrial machinery Automobiles, ships Electric power Transmission towers Highways Bridges Architecture Civil engineering Railroad facilities Railroad cars
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What are Hardlock nuts?
The HARDLOCK® nut uses the strength of the wedge principle, which ensures a reliable self-locking connection where conventional nuts fail.
Self-locking design
The HARDLOCK® Nut passes United States NAS (National Aerospace Standard) aviation standards.
Economical
We guarantee significant cost savings because it does not require maintenance.
Reusable more than 50x
Junker’s internal tests with up to 50 repetitions have shown no loss of self-locking function.
Need test self-locking nuts for your implementation? Order samples.
Do you need to test Hardlock nuts in your operation for specific loads? Write to us and we will recommend the right size and type and send you samples in the required dimensions. You can easily convince yourself that Hardlock is the best choice for you.
See the catalog with dimensions:
Where our solution already works
Hardlock products are used by companies all over the world, predominately in applications which require safety at higher level in extreme conditions and environments, including but not limited to Railway, Mining, Civil engineering, Oil and Gas, Refinery, Chemical and Petrochemical industry, and Machinery, just to name a few.
